Home / 651,570,759.90-977,356,139.85-345,460,743.90

Finding the Fourth Proportional to 651,570,759.90, 977,356,139.85 and 345,460,743.90

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Solution

The fourth proportional to 651,570,759.90, 977,356,139.85 and 345,460,743.90 is: 518,191,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,570,759.90 : 977,356,139.85 = 345,460,743.90 : x
  2. Step 2: Convert to fraction form
    651,570,759.90/977,356,139.85 = 345,460,743.90/x
  3. Step 3: Cross multiply
    651,570,759.90x = 977,356,139.85 × 345,460,743.90
  4. Step 4: Simplify right side
    651,570,759.90x = 337,638,179,127,813,440
  5. Step 5: Solve for x
    x = 337,638,179,127,813,440/651,570,759.90
  6. Step 6: Final answer
    x = 518,191,115.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.